prepare_header(9)

💅 prepare_header(9) — the Kernel API Manual, bestie edition 💅

okay so this is prepare_header from the Kernel API Manual, and honestly? it's the lil glow-up station for your message header ✨ she takes all your raw deets and hands back a freshly prepared header value, no cap 🎀

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🌸 NAME 🌸

prepare_header — literally just prepares the header of the message 💌 like, that's her whole job, and she ate

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🦋 SYNOPSIS 🦋

u64 prepare_header (struct hinic_pf_to_mgmt *pf_to_mgmt , u16 msg_len ,
enum hinic_mod_type mod , enum msg_ack_type ack_type , enum
mgmt_direction_type direction , u16 cmd , u16 msg_id );

she returns a u64, she takes seven args, and yes every single one of them matters 🙈

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🎀 ARGUMENTS 🎀

• pf_to_mgmt — the PF to MGMT channel, aka the whole vibe conduit this message is travelling on 🔥
• msg_len — the length of the message, a u16, don't forget her 🫶
• mod — the module in the chip that will get the message (enum hinic_mod_type), like addressing your letter to the right bestie 💌
• ack_type — ask for response (enum msg_ack_type) — do you want a reply or are we just shouting into the void 😭
• direction — the direction of the message (enum mgmt_direction_type), which way is it going bestie ⭐
• cmd — command of the message (u16), the actual instruction 💅
• msg_id — message id (u16), her little name tag so everybody knows who's who 👑

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✨ DESCRIPTION ✨

Return the prepared header value 💖 that's it, that's the whole desc — she does the header prep and gives you back the u64, iconic behaviour, no notes 🌈

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🔥 SEE ALSO 🔥

sibling functions and the lore, all linked below, iykyk 👑

Kernel file: ./drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c

• hinic_register_mgmt_msg_cb(9)
• hinic_unregister_mgmt_msg_cb(9)
• prepare_mgmt_cmd(9)
• mgmt_msg_len(9)
• send_msg_to_mgmt(9)
• msg_to_mgmt_sync(9)
• msg_to_mgmt_async(9)
• hinic_msg_to_mgmt(9)
• mgmt_recv_msg_handler(9)
• mgmt_resp_msg_handler(9)
• recv_mgmt_msg_handler(9)
• mgmt_msg_aeqe_handler(9)
• alloc_recv_msg(9)
• alloc_msg_buf(9)
• hinic_pf_to_mgmt_init(9)
• hinic_pf_to_mgmt_free(9)

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bestie heads up 💀 the section order above is the whole page — ARGUMENTS comes before DESCRIPTION here, that's just how this one rolls, don't @ me 🙈

and that's the page!! mwah 💋 this came from ./drivers/net/ethernet/huawei/... (the source/version line, slaying as always) and it's dated October 2026 — she's a prepare_header(9) girlie through and through, periodt 🧚💜🍓